pandas数据类型中的空值处理
import pandas as pd
data['property'].isnull().counts
data['property'] = data['property'].fillna('99999')
data[(data.property == '99999')].index.tolist()
data = data.drop([1,2])
参考文献
https://blog.youkuaiyun.com/htbeker/article/details/80071900